[CREWZIN]

Glad you got it sorted out. Here's a little more info for you on that.

The antitheft device incorporates a Sentry Key Immobilizer Module
(SKIM), a Powertrain Control Module (PCM), and a sentry key. The Sentry
Key Immobilizer System (SKIS) prevents the engine from running for more
than 2 seconds unless a valid key is in the ignition switch. The
immobilizer feature is activated when the key is removed from the
ignition switch whether the vehicle doors are open or not. Once
activated, only a valid key inserted into the ignition switch will
disable immobilization and allow the vehicle to start and continue to
run. A visual telltale light alerts the owner that an unauthorized
attempt to start the vehicle has been made.
When the sentry key is placed in the ignition, the SKIM and the key
communicate via a radio-frequency (RF) signal. After the SKIM
determines that the key is valid, the SKIM requests a Seed Response
Message code from the PCM on all vehicles. The PCM then verifies the
code from the SKIM and transmits a key status (valid/invalid signal).
The foregoing communication requires approximately 2 seconds to
perform. Therefore, in order to avoid any perceived delay when starting
the vehicle with a valid key, and to prevent unburned fuel from
entering the exhaust, the engine is permitted to run for no more than 2
seconds if an invalid key is used. If the code from the SKIM is invalid,
the PCM immobilizes the vehicle by shutting down the engine (after the
initial 2 second run). Only 6 consecutive invalid vehicle start
attempts will be permitted. All further invalid attempts are locked out
by not firing fuel injectors and not engaging the starter. Only the
communication with a valid key is required to permit the engine to
start and run.